Electronic Devices Question 131

Question: Avalanche breakdown is due to

[RPMT 2001]

Options:

A) Collision of minority charge carrier

B) Increase in depletion layer thickness

C) Decrease in depletion layer thickness

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

At high reverse voltage, the minority charge carriers, acquires very high velocities.

These by collision break down the covalent bonds, generating more carriers.

This mechanism is called Avalanche breakdown.



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